Such a system can detect when a vehicle is at risk for a collision and can warn the driver and prepare the vehicle to minimize injuries. It's available on cars like this Cadillac XTS. &lt;a href=&quot;http://www.latimes.com/business/autos/la-fi-autos-cadillac-xts-review-20120823,0,7206785.story&quot;&gt;&lt;span class=&quot;center_label&quot;&gt;&lt;b&gt;Read our full review of the XTS here.&lt;/b&gt;&lt;/span&gt;&lt;/a&gt;